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A television is plugged into a 120-volt wall outlet. If a 3.0 amperes of current flow through the television, what is the resistance?

Sagot :

Answer:

For example, a 100 watt light bulb operating on 120 volts AC will have 144 ohms of resistance and will draw 0.833 Amps.

about 144 ohms

It turns out that at 120 V, the resistance is about 144 ohms, 15 times the cold resistance. The resulting current is 0.83 amps, and the power dissipation is the advertised 100 W.